Lectrosonics SMDWB Dual-Battery Wideband Belt-Pack Transmitter

The Lectrosonics SMDWB is a dual-battery wideband transmitter for long shooting days that tunes across three standard Lectrosonics frequency blocks in each band.

Output power switches between 25, 50, and 100 mW, for more range or a more secure link in heavy RF noise, and battery life stays the same at every setting. It runs in Nu Hybrid mode with Lectrosonics receivers and has compatibility modes for Mode 3 and IFB receivers.

Frequency Bands

Trew Audio carries the SMDWB in three bands: A1 (470.100 to 537.575 MHz), B1 (537.600 to 607.950 MHz), and 941 (941.525 to 959.825 MHz, in three segments). Frequencies step in 25 or 100 kHz increments across the band, for up to 3072 choices in A1 and B1.

Recording

The SMDWB doubles as a recorder, writing 24-bit, 44.1 kHz BWF files to a microSDHC card, and the same card slot updates its firmware in the field. US models record or transmit, not both: when recording starts, the RF audio stops while battery status still reaches the receiver.

Input and Setup

The TA5M input uses Lectrosonics servo bias circuitry for electret lavaliers, dynamic mics, and line-level sources, with 2 V or 4 V bias. A DSP-controlled limiter ahead of the first preamp gives more than 30 dB of overload protection. Gain adjusts in 1 dB steps over 44 dB, and the low-cut sets from 35 to 150 Hz.

Build and Power

The housing is machined from solid aluminum, with water-resistant seals and a non-corrosive finish that resists salt water and sweat. Two AA batteries run it for about 11.2 hours.

Features

• 25, 50, or 100 mW output, with no change in battery life
• Nu Hybrid mode plus Mode 3 and IFB compatibility
• Servo bias TA5M input for lavs, dynamic mics, and line
• Water-resistant seals and a corrosion-resistant aluminum housing
• LCD with a lockout option
• IR port for fast setup
• Firmware updates from a microSD card
• Built-in 24-bit recorder on a microSDHC card
• Runs on two AA batteries

Available Options